Science Weekly podcast: gravitational waves and The Power of Others

Michael Bond talks about his book on how the people around us shape everything we do. Plus, why researchers got the data wrong on gravitational waves, and how light-sensitive brain cells in mice allowed scientists to create and erase memories

This week on Science Weekly, presented by Ian Sample, the Guardian's Pascal Wyse meets science writer Michael Bond to explore the psychology of crowds and the tension between individual and group think. Michael's new book is called The Power of Others.